'Resource partitioning' is an important mechanism which promotes

Copepods are . . . . . . .

Given below are two statements:
Statement $I$: Gause's competitive exclusion principle states that two closely related species competing for different resources cannot exist indefinitely.
Statement $II$: According to Gause's principle,during competition,the inferior will be eliminated. This may be true if resources are limiting.
In the light of the above statements,choose the correct answer from the options given below :

Select the correct statement for parasitism.

Why does no predator become perfectly efficient at acquiring prey?

What do caterpillars develop as a defense mechanism against their predators?